Folding walker



FIG. 1 is a perspective view of a folding walker showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation view thereof, the opposite side being a mirror image of that shown; and

FIG. 4 is a perspective view of a folding walker shown in its folded condition. 

The ornamental design for a folding walker, as shown and described. 